{"cve":"CVE-2018-18435","nvd":{"published":"2019-03-21T16:00:28.373","modified":"2026-06-17T01:47:17.800","status":"Modified","description":"KioWare Server version 4.9.6 and older installs by default to \"C:\\kioware_com\" with weak folder permissions granting any user full permission \"Everyone: (F)\" to the contents of the directory and it's sub-folders. In addition, the program installs a service called \"KWSService\" which runs as \"Localsystem\", this will allow any user to escalate privileges to \"NT AUTHORITY\\SYSTEM\" by substituting the service's binary with a malicious one.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-732"],"references":["http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html","https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md","https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update","https://www.exploit-db.com/exploits/46093/","https://www.kioware.com/patch.aspx"],"products":["kioware:kioware_server"],"source":"nvd","synced_at":"2026-10-19T20:55:22.313337056+00:00"},"epss":{"cve":"CVE-2018-18435","score":0.01375,"percentile":0.72042,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}